Benzoylated dehydrothio-p-toluidine sulfonic acid-azo-pyridone d

Details Benzoylated dehydrothio-p-toluidine sulfonic acid-azo-pyridone d Benzoylated dehydrothio-p-toluidine sulfonic acid-azo-pyridone d

1977-05-05

1978-07-25

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602948F, 2602949, 260295AM, 260296R, 260297Z, C09B 2936, D06P 106, D06P 316, D06P 324

Patent

active

041028805

ABSTRACT:
Azo dyes of the formula ##STR1## wherein R is the radical of a coupling component of the pyridine or pyridone series are disclosed; said dyes having brilliant greenish-yellow shades, high substantivity, good lightfastness and fastness to water, and suitable for dyeing and printing materials such as silk, leather, wood, polyamide, polyurethanes and cellulosic material of fibrous structure.

REFERENCES:
patent: 3884899 (1975-05-01), Leng et al.
patent: 3933787 (1976-01-01), Moser

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